如何在光学频率范围内实现原子水平上的负折射率材料?

Journal of Zhejiang University. Science Pub Date : 2004-11-01 DOI:10.1631/jzus.2004.1322

Jian-qi Shen, Zhi-chao Ruan, Sai-ling He

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引用次数: 47

摘要

研究了电磁感应透明原子气体系统在光学频率范围内实现负折射率材料的理论机理。结果表明，在一定条件下，这种致密气体可以同时表现为负介电常数和负磁导率，损耗小得可以忽略不计。

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How to realize a negative refractive index material at the atomic level in an optical frequency range?

The theoretical mechanism for realizing a negative refractive index material in an optical frequency range with an atomic gas system of electromagnetically induced transparency (EIT) is studied. It is shown that under certain conditions such a dense gas can exhibit simultaneously negative permittivity and negative permeability, and negligibly small loss.

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Journal of Zhejiang University. Science

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